WO2020250870A1 - Dispositif de mesure de débit - Google Patents

Dispositif de mesure de débit Download PDF

Info

Publication number
WO2020250870A1
WO2020250870A1 PCT/JP2020/022621 JP2020022621W WO2020250870A1 WO 2020250870 A1 WO2020250870 A1 WO 2020250870A1 JP 2020022621 W JP2020022621 W JP 2020022621W WO 2020250870 A1 WO2020250870 A1 WO 2020250870A1
Authority
WO
WIPO (PCT)
Prior art keywords
flow rate
rate measuring
gap
circuit board
measuring device
Prior art date
Application number
PCT/JP2020/022621
Other languages
English (en)
Japanese (ja)
Inventor
暁 上ノ段
信章 五来
成人 廣畑
斉藤　直生
崇裕 三木
Original Assignee
日立オートモティブシステムズ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日立オートモティブシステムズ株式会社 filed Critical 日立オートモティブシステムズ株式会社
Priority to DE112020001927.6T priority Critical patent/DE112020001927T5/de
Priority to US17/595,331 priority patent/US11821780B2/en
Priority to JP2021526084A priority patent/JP7121858B2/ja
Priority to CN202080035258.9A priority patent/CN113841029A/zh
Publication of WO2020250870A1 publication Critical patent/WO2020250870A1/fr

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F5/00—Measuring a proportion of the volume flow
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6842—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow with means for influencing the fluid flow
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6845—Micromachined devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/14—Casings, e.g. of special material

Abstract

L'objet de la présente invention est d'améliorer la précision de mesure d'un dispositif de mesure de débit. Ce dispositif de mesure de débit comprend : un premier vide formé par une surface d'un corps de support et une surface d'une carte de circuit imprimé ; un deuxième vide formé par une surface de la carte de circuit imprimé sur le côté opposé à ladite surface, et un boîtier ; et un troisième vide formé par une surface du corps de support sur le côté opposé à ladite surface, et un couvercle.
PCT/JP2020/022621 2019-06-13 2020-06-09 Dispositif de mesure de débit WO2020250870A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE112020001927.6T DE112020001927T5 (de) 2019-06-13 2020-06-09 Durchflussmessvorrichtung
US17/595,331 US11821780B2 (en) 2019-06-13 2020-06-09 Flow rate measurement device
JP2021526084A JP7121858B2 (ja) 2019-06-13 2020-06-09 流量測定装置
CN202080035258.9A CN113841029A (zh) 2019-06-13 2020-06-09 流量测量装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-110049 2019-06-13
JP2019110049 2019-06-13

Publications (1)

Publication Number Publication Date
WO2020250870A1 true WO2020250870A1 (fr) 2020-12-17

Family

ID=73781432

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/022621 WO2020250870A1 (fr) 2019-06-13 2020-06-09 Dispositif de mesure de débit

Country Status (5)

Country Link
US (1) US11821780B2 (fr)
JP (1) JP7121858B2 (fr)
CN (1) CN113841029A (fr)
DE (1) DE112020001927T5 (fr)
WO (1) WO2020250870A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021245976A1 (fr) * 2020-06-05 2021-12-09 日立Astemo株式会社 Dispositif de mesure de débit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002168669A (ja) * 2000-12-04 2002-06-14 Ckd Corp 熱式流量計
WO2019049513A1 (fr) * 2017-09-05 2019-03-14 日立オートモティブシステムズ株式会社 Débitmètre de type thermique

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3583773B2 (ja) * 2000-07-27 2004-11-04 株式会社日立製作所 熱式空気流量計
JP2008058131A (ja) * 2006-08-31 2008-03-13 Hitachi Ltd 熱式ガス流量計
JP5049996B2 (ja) * 2009-03-31 2012-10-17 日立オートモティブシステムズ株式会社 熱式流量測定装置
JP5272930B2 (ja) * 2009-07-01 2013-08-28 オムロン株式会社 流量測定装置
JP5738818B2 (ja) * 2012-09-28 2015-06-24 日立オートモティブシステムズ株式会社 熱式流量計
EP3232167B1 (fr) * 2014-12-08 2020-08-19 Hitachi Automotive Systems, Ltd. Dispositif de détection de grandeurs physiques
US10217684B2 (en) * 2015-09-30 2019-02-26 Hitachi Automotive Systems, Ltd. Resin molding and sensor device
WO2018100854A1 (fr) * 2016-11-30 2018-06-07 日立オートモティブシステムズ株式会社 Dispositif de mesure de débit d'air

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002168669A (ja) * 2000-12-04 2002-06-14 Ckd Corp 熱式流量計
WO2019049513A1 (fr) * 2017-09-05 2019-03-14 日立オートモティブシステムズ株式会社 Débitmètre de type thermique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021245976A1 (fr) * 2020-06-05 2021-12-09 日立Astemo株式会社 Dispositif de mesure de débit

Also Published As

Publication number Publication date
US20220214198A1 (en) 2022-07-07
DE112020001927T5 (de) 2022-01-13
CN113841029A (zh) 2021-12-24
JPWO2020250870A1 (fr) 2020-12-17
US11821780B2 (en) 2023-11-21
JP7121858B2 (ja) 2022-08-18

Similar Documents

Publication Publication Date Title
KR101358698B1 (ko) 유량 센서 및 유량 검출 장치
JP5256264B2 (ja) 熱式空気流量センサ
JP4476287B2 (ja) 流量計
JP6096070B2 (ja) 熱式流量計の製造方法
US8033180B2 (en) Flow sensor apparatus and method with media isolated electrical connections
KR20160122153A (ko) 채널을 통해 유동하는 유체 매체의 적어도 하나의 파라미터를 결정하기 위한 센서 장치
JP4106224B2 (ja) 流量測定装置
WO2020250870A1 (fr) Dispositif de mesure de débit
JP6101619B2 (ja) 熱式空気流量計
KR102301752B1 (ko) 채널을 관류하는 유체 매체의 하나 이상의 매개변수를 측정하는 센서 장치
JP2002168669A (ja) 熱式流量計
JP2010204005A (ja) 熱式流量計
JP2007121036A (ja) 流量計
JP3871566B2 (ja) 熱式流量計
JP2014102219A (ja) 流量センサ
WO2020179249A1 (fr) Dispositif de mesure de débit
JP7112266B2 (ja) 圧力温度センサ
JP7225062B2 (ja) センサ装置
JP3637051B2 (ja) 熱式流量計
KR20160016690A (ko) 측정 채널을 통해 유동하는 유체 매체의 적어도 하나의 파라미터를 결정하기 위한 센서
JP5276053B2 (ja) 熱式流量計
JP3895948B2 (ja) フローセンサ
JP5364059B2 (ja) 熱式流量計
JP2005291923A (ja) 熱式流量計
JP2015068812A (ja) 流量センサ

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20822739

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2021526084

Country of ref document: JP

Kind code of ref document: A

122 Ep: pct application non-entry in european phase

Ref document number: 20822739

Country of ref document: EP

Kind code of ref document: A1